Spacewalk

Astronauts aboard the International Space Station have undertaken three spacewalks over a 10-day period in order to install and power up a new set of roll-out solar arrays to the exterior hull of the orbital outpost.

Alexy Leonov, the world's first spacewalker, has died at age 85. He was the first person to leave a spacecraft in orbit on March 18, 1965.

​Crew aboard the International Space Station are preparing to make history later this month, with NASA astronauts Anne McClain and Christina Koch set to step foot outside the orbiting laboratory as part of the first ever all-female spacewalk.

​To experience life in and around the ISS requires years of astronaut training, but technology does continue to bring us closer to the experience. The latest example is a 360-degree video that places the viewer in the thick of the action as Russian cosmonauts carry out a spacewalk.

June 3 marks 50 years to the day that Edward H. White II stepped out into the emptiness of space in 1965, and NASA has marked the milestone by rolling out a catalog of breathtaking photos taken across decades of extravehicular activity.

On March 18, 1965, Soviet cosmonauts Alexei Leonov and Pavel Belyayev lifted off in Voskhod (Sunrise) 2, during the flight of which Leonov would become the first person to step into the vacuum of space.

Gizmag takes a look back at Commander Chris Hadfield's 5-month mission aboard the ISS to see how and why he inspired millions.